CN204759719U - Wireless remote control decoding device - Google Patents
Wireless remote control decoding device Download PDFInfo
- Publication number
- CN204759719U CN204759719U CN201520417465.7U CN201520417465U CN204759719U CN 204759719 U CN204759719 U CN 204759719U CN 201520417465 U CN201520417465 U CN 201520417465U CN 204759719 U CN204759719 U CN 204759719U
- Authority
- CN
- China
- Prior art keywords
- circuit
- remote control
- decoding device
- signal
- wireless remote
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003534 oscillatory effect Effects 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 8
- 238000005538 encapsulation Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 abstract 2
- 230000006870 function Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model provides a wireless remote control decoding device, includes oscillation circuit, amplifier circuit, comparison circuit, logic control circuit, memory and logical output circuit, oscillation circuit with logic control circuit links to each other, amplifier circuit's output with comparison circuit's input links to each other, comparison circuit's output with logic control circuit's input links to each other, the memory with logic control circuit links to each other, logic controller's output links to each other with logical output circuit's input. The remote control equipment that the device can be used to realize chip area button learning function is like TV set remote control unit.
Description
Technical field
The utility model relates to a kind of wireless remote control decoding device.
Background technology
Flourish along with wireless communications products, the coding chip kinds such as picture PT2260, PT2262, PT2264, EV1527, PT2240 get more and more, the address that the decoding chip that this kind of coding chip of PT2260, PT2262, PT2264 is corresponding needs human weld corresponding, produce complicated, inefficiency.And this kind of chip of EV1527, PT2240, conventional decoding circuit will use amplifier, MCU, E2PROM, needs the increase plenty of time to carry out code debugging, adds cost of development, reduces product profit rate.
Utility model content
Fundamental purpose of the present utility model is for the deficiencies in the prior art, provides a kind of wireless remote control decoding device, does not need the address that human weld is corresponding, reduces PCB complexity and production complexity, thus reduces system cost, enhances productivity.
For achieving the above object, the utility model is by the following technical solutions:
A kind of wireless remote control decoding device, comprise oscillatory circuit, amplifying circuit, comparator circuit, logic control circuit, storer and logical output circuit, described oscillatory circuit is connected with described logic control circuit, the output terminal of described amplifying circuit is connected with the input end of described comparator circuit, the output terminal of described comparator circuit is connected with the input end of described logic control circuit, described storer is connected with described logic control circuit, and the output terminal of described logic controller is connected with the input end of logical output circuit.
Described oscillatory circuit is used for providing system clock, the input end of described amplifying circuit is for inputting the signal transmitted by external radio frequency receiver module, described comparator circuit is outputted to after being amplified by signal, described comparator circuit is used for carrying out shaping to signal, and the signal after shaping is outputted to described logic control circuit, described storer is for preserving the scrambler address succeeded in school in advance, described logic control circuit is used for the address of input signal to mate with the scrambler address learnt in advance stored in described storer, and output signal to described logical output circuit according to matching result generation, described logical output circuit is exported by its pin.
Further:
Described wireless remote control decoding device is arranged to the integrated circuit of SOP8 type encapsulation.
Described storer is MTPROM storer.
Described storer has the space matching that can store at least four scrambler addresses.
Described wireless remote control decoding device also comprises study trigger end, and described study trigger end connects described logic controller, and described study trigger end is used for indicating described logic controller to enter according to external signal or stopping scrambler address learning state.
Described pin comprises a low and high level output pin and two signal data position pins.
The beneficial effects of the utility model:
The utility model can the type chip such as the type chip such as selective decompression PT2260, PT2260, PT2264 or decoding EV1527, PT2240 according to demand, can the different scrambler address of learning and memory multichannel, without the need to human weld address, without the need to increasing the peripheral hardware such as amplifier, MCU, E2PROM, enhance productivity, reduce cost of development, improve product profit rate.Device of the present utility model can be used for realizing the remote control equipment of chip belt button learning functionality as television set remote control apparatus, and without the need to human weld's chip address; Due to inner band amplifying circuit, its receiving range is far away, and volume is little, and PCB design is simple, and production is simple, and the system of reducing manufactures a finished product, and enhances productivity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model wireless remote control decoding device embodiment;
Fig. 2 is the pin schematic diagram that the utility model wireless remote control decoding device is packaged into a kind of chip.
Embodiment
Below embodiment of the present utility model is elaborated.It is emphasized that following explanation is only exemplary, instead of in order to limit scope of the present utility model and application thereof.
Consult Fig. 1 and Fig. 2, in one embodiment, a kind of wireless remote control decoding device, comprises oscillatory circuit, amplifying circuit, comparator circuit, logic control circuit, storer and logical output circuit.Described oscillatory circuit is connected with described logic control circuit, the output terminal of described amplifying circuit is connected with the input end of described comparator circuit, the output terminal of described comparator circuit is connected with the input end of described logic control circuit, described storer is connected with described logic control circuit, and the output terminal of described logic controller is connected with the input end of logical output circuit.Described oscillatory circuit is used for providing system clock, comprises the fundamental clock needed for logic control circuit and logical output circuit.The input termination input pin of described amplifying circuit and DIN pin, for inputting the signal transmitted by external radio frequency receiver module.Amplifying circuit outputs to described comparator circuit after being amplified by the signal inputted from DIN pin.Described comparator circuit is used for carrying out shaping to signal, and the signal after shaping is outputted to described logic control circuit.Described storer can be the storer of MTPROM storer or other types.Storer is used for preserving the scrambler address information of chip study and the configuration information of register.Described logic control circuit is used for the address of input signal to mate with the scrambler address learnt in advance stored in described storer, and output signal to described logical output circuit according to matching result generation, exported by its output pin VT, D0, D1 by described logical output circuit.During work, the result after process is outputted to the output that logical output circuit carries out result by logic control circuit.Described oscillatory circuit, logic control circuit, logical output circuit, MTPROM storer, amplifying circuit, comparator circuit all can make according to classical circuit design.
In a preferred embodiment, described wireless remote control decoding device is arranged to the integrated circuit of SOP8 type encapsulation.Adopt the encapsulation of SOP8 type, be conducive to reducing production cost further and reducing volume, realize high performance-price ratio.
Described storer is preferably MTPROM storer.Described storer preferably has the space matching that can store a four or more scrambler address.
In a preferred embodiment, described wireless remote control decoding device also comprises the i.e. ST pin as shown in Figure 2 of study trigger end, described study trigger end connects described logic controller, and described study trigger end is used for indicating described logic controller to enter according to external signal or stopping scrambler address learning state.
In a preferred embodiment, the output pin of described logical output circuit comprises a low and high level output pin VT and two signal data position pin D0, D1.
Consult Fig. 2, this wireless remote control decoding device is packaged into an integrated circuit (IC) chip, the DIN pin of chip connects Receiver Module output terminal, the remote controller signal received is transferred to the amplifying circuit in chip by DIN pin, the small-signal received is amplified, then by amplified signal to comparator circuit, shaping is carried out to signal, signal after shaping is being input to logic control circuit, by logic control circuit, signal is processed, judge the address whether having had this signal in MTPROM storer, if there has been the address of this signal, then reacted by logical output circuit, VT pin exports high level, D0, the data bit of the D1 heel number of it is believed that exports corresponding level.ST pin as study trigger end, when the time for high level more than 2S after, chip enters mode of learning, and logic control circuit receives from the signal of comparator circuit, learns scrambler address and stored in MTPROM storer.Such as, the correctness of logic control circuit detection signal code stream, as received two correct code streams continuously, then learning success, and by the address that learns to obtain stored in MTPROM storer, VT pin can become high level.After ST pin is unsettled, then exit mode of learning, enter normal mode of operation.In one embodiment, the storage space of chip can learn four addresses, if need study the 5th address, learn at first first address can be override, the rest may be inferred for other.Except above-mentioned pin, chip also has VCC pin, GND pin and OSCI pin usually.
Above content combines concrete/preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; its embodiment that can also describe these makes some substituting or modification, and these substitute or variant all should be considered as belonging to protection domain of the present utility model.
Claims (6)
1. a wireless remote control decoding device, it is characterized in that, comprise oscillatory circuit, amplifying circuit, comparator circuit, logic control circuit, storer and logical output circuit, described oscillatory circuit is connected with described logic control circuit, the output terminal of described amplifying circuit is connected with the input end of described comparator circuit, the output terminal of described comparator circuit is connected with the input end of described logic control circuit, described storer is connected with described logic control circuit, the output terminal of described logic controller is connected with the input end of logical output circuit, described oscillatory circuit is used for providing system clock, the input end of described amplifying circuit is for inputting the signal transmitted by external radio frequency receiver module, described comparator circuit is outputted to after being amplified by signal, described comparator circuit is used for carrying out shaping to signal, and the signal after shaping is outputted to described logic control circuit, described storer is for preserving the scrambler address succeeded in school in advance, described logic control circuit is used for the address of input signal to mate with the scrambler address learnt in advance stored in described storer, and output signal to described logical output circuit according to matching result generation, described logical output circuit is exported by output pin.
2. wireless remote control decoding device as claimed in claim 1, is characterized in that, described wireless remote control decoding device is arranged to the integrated circuit of SOP8 type encapsulation.
3. wireless remote control decoding device as claimed in claim 1, it is characterized in that, described storer is MTPROM storer.
4. wireless remote control decoding device as claimed in claim 1, it is characterized in that, described storer has the space matching that can store at least four scrambler addresses.
5. wireless remote control decoding device as claimed in claim 1, it is characterized in that, also comprise study trigger end, described study trigger end connects described logic controller, and described study trigger end is used for indicating described logic controller to enter according to external signal or stopping scrambler address learning state.
6. the wireless remote control decoding device as described in any one of claim 1 to 5, is characterized in that, described output pin comprises a low and high level output pin and two signal data position pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417465.7U CN204759719U (en) | 2015-06-16 | 2015-06-16 | Wireless remote control decoding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417465.7U CN204759719U (en) | 2015-06-16 | 2015-06-16 | Wireless remote control decoding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204759719U true CN204759719U (en) | 2015-11-11 |
Family
ID=54474402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520417465.7U Active CN204759719U (en) | 2015-06-16 | 2015-06-16 | Wireless remote control decoding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204759719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132013A (en) * | 2016-07-14 | 2016-11-16 | 深圳市菉华半导体有限公司 | A kind of Power Carrier communication LED control method |
| CN106211433A (en) * | 2016-07-14 | 2016-12-07 | 深圳市菉华半导体有限公司 | A kind of Power Carrier communication LED control chip |
-
2015
- 2015-06-16 CN CN201520417465.7U patent/CN204759719U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132013A (en) * | 2016-07-14 | 2016-11-16 | 深圳市菉华半导体有限公司 | A kind of Power Carrier communication LED control method |
| CN106211433A (en) * | 2016-07-14 | 2016-12-07 | 深圳市菉华半导体有限公司 | A kind of Power Carrier communication LED control chip |
| CN106211433B (en) * | 2016-07-14 | 2018-07-20 | 深圳市菉华半导体有限公司 | A kind of Power Carrier communication LED control chips |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11356727B2 (en) | Circuit integrated with voice wake-up function, television and voice control method | |
| CN204759719U (en) | Wireless remote control decoding device | |
| CN213392751U (en) | Voice interaction intelligent electric fan based on neural network chip and electric fan system | |
| CN202230449U (en) | Wireless electronic equipment integrating microphone, mouse, laser pointer and page-turning functions | |
| CN201717968U (en) | Digital television integrated machine with multiple decoding functions | |
| US20080297309A1 (en) | Waveform synthesis in rfid interrogators | |
| CN104052505A (en) | Single-chip wireless transmitter, transmitting chip and signal transmitting method | |
| Pinggui et al. | Design and implementation of campus security system based on Internet of Things | |
| CN203299372U (en) | Radio monitoring direction finding movement device | |
| CN209297488U (en) | Automatic control circuit and control device | |
| CN207301309U (en) | A kind of kindergarten management alignment system | |
| CN207706193U (en) | A kind of data transmission test optimization device | |
| CN107168867A (en) | A kind of method for the user's debug patterns for realizing microcontroller chip | |
| CN218497585U (en) | Wireless doorbell receiver and system | |
| CN203217599U (en) | Baseband control chip and UHF radio frequency read-write device | |
| CN206270974U (en) | A kind of radio scan rifle | |
| CN206650762U (en) | A kind of network video audio coder | |
| CN102147447B (en) | Method for controlling data transparent transfer as well as flexible label connection method and device thereof | |
| CN205880859U (en) | Communication data transmits processing apparatus | |
| CN204633949U (en) | A kind of video encoder | |
| CN203217600U (en) | Base band control chip and ultrahigh frequency radio frequency read-write apparatus | |
| CN106713836A (en) | NEXT series product ARM and DM642 processing system | |
| CN110932749B (en) | Dual-mode communication data transmission chip and dual-mode communication method | |
| CN210725146U (en) | Set-top box designed based on TF and SD card | |
| CN106708778A (en) | Command processing chip applied to command guidance system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231114 Address after: 518000 706, Zhonghua science and technology building, Guangxia Road, shangmeilin, Futian District, Shenzhen, Guangdong Province Patentee after: Shenzhen Zhihua Technology Co.,Ltd. Address before: 518049, 7th Floor, Lihua Technology Building, No. 7 Guangxia Road, Shangmeilin, Futian District, Shenzhen, Guangdong Province Patentee before: SHENZHEN CHINALC SEMICONDUCTOR Co.,Ltd. |